Miller W-280 (WP-280) TORCH Owners manual

OM-269 489-A 2014−10

Processes

Descriptio n

Hand-Held Water-Cooled TIG
(GTAW) Torch

W-280 (WP-280)

TIG (GTAW) Welding

W-375

Visit our website at

www.MillerWelds.com

File: TIG (GTAW)

From Miller to You

Thank you and congratulations on choosing Miller. Now you can get the
job done and get it done right. We know you don’t have time to do it any
other way.

That’s why when Niels Miller first started building arc welders in 1929,
he made sure his products offered long-lasting value and superior quality.
Like you, his customers couldn’t afford anything less. Miller products had
to be more than the best they could be. They had to be the best you could
buy.

Today, the people that build and sell Miller products continue the
tradition. They’re just as committed to providing equipment and service
that meets the high standards of quality and value established in 1929.

This Owner’s Manual is designed to help you get the most out of your
Miller products. Please take time to read the Safety precautions. They will
help you protect yourself against potential hazards on the worksite. We’ve
made installation and operation quick and easy. With Miller you can
count on years of reliable service with proper maintenance. And if for
some reason the unit needs repair, there’s a Troubleshooting section that
will help you figure out what the problem is. The parts list will then help
you to decide which exact part you may need to fix the problem.
Warranty and service information for your particular model are also
provided.

Working as hard as you do

− every power source from
Miller is backed by the most
hassle-free warranty in the
business.

Miller Electric manufactures a full line of
welders and welding related equipment. For
information on other quality Miller products, contact your local Miller
distributor to receive the latest full line catalog or individual catalog sheets.

TABLE OF CONTENTS

SECTION 1 −SAFETY PRECAUTIONS FOR GT AW TORCHES − READ BEFORE USING 1..............

1-1. Symbol Usage 1........................................................................

1-2. Arc Welding Hazards 1..................................................................

1-3. Proposition 65 Warnings 2...............................................................

1-4. Principal Safety Standards 2.............................................................

1-5. EMF Information 2......................................................................

SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION 3............................

2-1. Signification des symboles 3.............................................................

2-2. Dangers relatifs au soudage à l’arc 3......................................................

2-3. Proposition californienne 65 Avertissements 4...............................................

2-4. Principales normes de sécurité 4..........................................................

2-5. Informations relatives aux CEM 5.........................................................

SECTION 3 − SPECIFICATIONS 7................................................................

3-1. Specifications 7........................................................................

3-2. Duty Cycle 7...........................................................................

SECTION 4 − INSTALLATION 8..................................................................

4-1. Required Torch Parts And Torch Assembly 8................................................

4-2. International Style Connector Assembly 8..................................................

4-3. Connecting Torch 9.....................................................................

SECTION 5 − MAINTENANCE & TROUBLESHOOTING 12...........................................

5-1. Routine Maintenance 12..................................................................

5-2. Gas And/Or Water Hose Maintenance 12....................................................

5-3. Troubleshooting 13......................................................................

SECTION 6 − SELECTING AND PREPARING A TUNGSTEN

FOR DC OR AC WELDING WITH INVERTER MACHINES 15.........................................

6-1. Selecting Tungsten Electrode (Wear Clean Gloves To Prevent Contamination Of Tungsten) 15.......

6-2. Preparing Tungsten Electrode For DC Electrode Negative (DCEN) Welding

Or AC Welding With Inverter Machines 15...................................................

SECTION 7 − GUIDELINES FOR TIG WELDING (GTAW) 16..........................................

SECTION 8 − PARTS LIST 18.....................................................................

WARRANTY

SECTION 1 −SAFETY PRECAUTIONS FOR GTAW

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TORCHES − READ BEFORE USING

SR6 (TIG) 2013-09

Protect yourself and others from injury — read, follow , and save these important safety precautions and operating instructions.

1-1. Symbol Usage

DANGER! − Indicates a hazardous situation which, if
not avoided, will result in death or serious injury. The
possible hazards are shown in the adjoining symbols
or explained in the text.

Indicates a hazardous situation which, if not avoided,
could result in death or serious injury. The possible
hazards are shown in the adjoining symbols or ex­plained in the text.

NOTICE − Indicates statements not related to personal injury .

1-2. Arc Welding Hazards

The symbols shown below are used throughout this manual
to call attention to and identify possible hazards. When you
see the symbol, watch out, and follow the related instructions
to avoid the hazard. The safety information given below is
only a summary of the more complete safety information
found in the welding power source Owner’s Manual. Read
and follow all Safety Standards.

Only qualified persons should install, operate, maintain, and
repair this unit.

During operation, keep everybody, especially children, away.

ELECTRIC SHOCK can kill.

 Always wear dry insulating gloves.
 Insulate yourself from work and ground.

 Before welding, verify torch head is firmly attached to the torch

body.

 Do not wrap water-cooled torch hoses and power cables togethe

with tape or plastic wire ties. W rapping restricts water flow which
may cause power cable to overheat and torch hose to burst.

 Replace worn, damaged, or cracked torches or cables.
 Turn off welding power source before changing tungsten elec

trode or torch parts.

 Keep all covers and handle securely in place.

 Wear an approved welding helmet fitted with a proper shade of filter

lenses to protect your face and eyes from arc rays and sparks
when welding or watching (see ANSI Z49.1 and Z87.1 listed in
Safety Standards).

 Wear approved safety glasses with side shields under your

helmet.

 Use protective screens or barriers to protect others from flash,

glare and sparks; warn others not to watch the arc.

 Wear body protection made from durable, flame-resistant material

(leather, heavy cotton, wool). Body protection includes oil-free
clothing such as leather gloves, heavy shirt, cuffless trousers, high
shoes, and a cap.

ventilation is t o sample for the composition and quantity of fumes

and gases to which personnel are exposed.

 Read and understand the Safety Data Sheets (SDSs) and the

manufacturer’s instructions for adhesives, coatings, cleaners,
consumables, coolants, degreasers, fluxes, and metals.

 Do not touch live electrode or electrical parts.

ARC RAYS can burn eyes and skin

Arc rays from the welding process produce intense
visible and invisible (ultraviolet and infrared) rays
that can burn eyes and skin. Sparks fly of f from the
weld.

FUMES AND GASES can be hazardous.

 Keep your head out of the fumes.
 Ventilate area, or use breathing device. The

recommended way to determine adequate

 Indicates special instructions.

This group of symbols means Warning! Watch Out! ELECTRIC
SHOCK, MOVING P ARTS, and HOT PARTS hazards. Consult sym­bols and related instructions below for necessary actions to avoid the
hazards.

BUILDUP OF GAS can injure or kill.

 Shut off compressed gas supply when not i

use.

 Always ventilate confined spaces or use ap

proved air-supplied respirator.

WELDING can cause fire or explosion.

 Do not weld near flammable material.
 Do not weld on containers that have held com-

bustibles, or on closed containers such as
tanks, drums, or pipes unless they are properly prepared ac­cording to AWS F4.1 and AWS A6.0 (see Safety Standards).

 Watch for fire; keep extinguisher nearby.
 Read and understand the Safety Data Sheets (SDSs) and the

manufacturer’s instructions for adhesives, coatings, cleaners,
consumables, coolants, degreasers, fluxes, and metals.

HOT P ARTS can burn.

 Allow torch to cool before touching.
 Do not touch hot metal.
 Protect hot metal from contact by others.

NOISE can damage hearing.

 Check for noise level limits exceeding those spe

cified by OSHA.

 Use approved ear plugs or ear muffs if noise lev

is high.

 Warn others nearby about noise hazard.

READ INSTRUCTIONS.

 Read and follow all labels and the Owner

Manual c a r e f u lly before installing, operating, o
servicing unit. Read the safety information a

the beginning of the manual and in each section.

 Use only genuine replacement parts from the manufacturer.
 Perform maintenance and service according to the Owner

Manuals, industry standards, and national, state, and loca
codes.

OM-269 489 Page 1

1-3. Proposition 65 Warnings

Welding or cutting equipment produces fumes or gases
which contain chemicals known to the State of California to
cause birth defects and, in some cases, cancer. (California
Health & Safety Code Section 25249.5 et seq.)

This product contains chemicals, including lead, known to
the state of California to cause cancer, birth defects, or other
reproductive harm. Wash hands after use.

1-4. Principal Safety Standards

Safety i n W elding, Cutting, and Allied Processes, ANSI Standard Z49.1,
is available as a free download from the American Welding Society at
http://www.aws.org o r purchased from Global Engineering Documents
(phone: [phone], website: www.global.ihs.com).

Safe Practice For Occupational And Educational Eye And Face Protec­tion, ANSI Standard Z87.1, from American National Standards Institute,

25 West 43rd Street, New York, NY 10036 (phone: [phone], web­site: www.ansi.org).

Safe Practices for the Preparation of Containers and Piping for W elding
and Cutting, American Welding Society Standard AWS F4.1, from Glob-

al Engineering Documents (phone: [phone], website: www.glo­bal.ihs.com).

Safe Practices for Welding and Cutting Containers that have Held Com­bustibles, American Welding Society Standard AWS A6.0, from Global

Engineering Documents (phone: [phone],
website: www.global.ihs.com).

National Electrical Code, NFPA Standard 70, from National Fire Protec­tion Association, Quincy, MA 02269 (phone: [phone], website:
www.nfpa.org and w w w. sparky.org).

This product contains or produces a chemical known to the
State of California to cause cancer or birth defects (or other
reproductive harm). (California Health & Safety Code Section

25249.5 et seq.)

Safe Handling of Compressed Gases in Cylinders, CGA Pamphlet P-1,
from Compressed Gas Association, 14501 George Carter Way, Suite
103, Chantilly, VA 20151 (phone: [phone], website:
www.cganet.com).

Safety in Welding, Cutting, and Allied Processes, CSA Standard
W117.2, from Canadian Standards Association, Standards Sales, 5060
Spectrum Way, Suite 100, Ontario, Canada L4W 5NS (phone:
800-463-6727, website: www.csa-international.org).

Safe Practice For Occupational And Educational Eye And Face Protec­tion, ANSI Standard Z87.1, from American National Standards Institute,

25 West 43rd Street, New York, NY 10036 (phone: [phone], web­site: www.ansi.org).

Standard for Fire Prevention During Welding, Cutting, and Other Hot
Work, NFP A Standard 51B, from National Fire Protection Association,

Quincy, M A 0 2 2 6 9 ( p h o n e : 1 - 8 0 0 - 3 4 4 - 3 555, website : w w w.nfpa.org.
OSHA, Occupational Safety and Health Standards for General Indus-

try, Title 29, Code of Federal Regulations (CFR), Part 1910, Subpart Q,
and Part 1926, Subpart J, from U.S. Government Printing Office, Super­intendent of Documents, P.O. Box 371954, Pittsburgh, PA 15250-7954
(phone: [phone]) (there are 10 OSHA Regional Offices—
phone for Region 5, Chicago, is 312-353-2220, website:
www.osha.gov).

1-5. EMF Information

Electric current flowing through any conductor causes localized electric
and magnetic fields (EMF).The current from arc welding (and allied pro­cesses including spot welding, gouging, plasma arc cutting, and induc­tion heating operations) creates an EMF field around the welding circuit.
EMF fields may interfere with some medical implants, e.g. pacemakers.
Protective measures for persons wearing medical implants have to be
taken. For example, restrict access for passers−by or conduct individu­al risk assessment for welders. All welders should use the following pro­cedures in order to minimize exposure to EMF fields from the welding
circuit:

1. Keep cables close together by twisting or taping them, or using a
cable cover.

2. Do not place your body between welding cables. Arrange cables
to one side and away from the operator.

3. Do not coil or drape cables around your body.

4. Keep head and trunk as far away from the equipment in the
welding circuit as possible.

5. Connect work clamp to workpiece as close to the weld as
possible.

6. Do not work next to, sit or lean on the welding power source.

7. Do not weld whilst carrying the welding power source or wire
feeder.

About Implanted Medical Devices:

Implanted Medical Device wearers should consult their doctor and the
device manufacturer before performing or going near arc welding, spot
welding, gouging, plasma arc cutting, or induction heating operations.
If cleared by your doctor, then following the above procedures is recom­mended.

OM-269 489 Page 2

SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT

e
s
s

le

UTILISATION

SR6(TIG)_2013−09fre

Pour écarter les risques de blessure pour vous−même et pour autrui — lire, appliquer et ranger en lieu sûr ces consignes relatives
aux précautions de sécurité et au mode opératoire.

2-1. Signification des symboles

DANGER! − Indique une situation dangereuse qui si on
l’évite pas peut donner la mort ou des blessures graves.
Les dangers possibles sont montrés par les symboles
joints ou sont expliqués dans le texte.

Indique une situation dangereuse qui si on l’évite pas
peut donner la mort ou des blessures graves. Les dan­gers possibles sont montrés par les symboles joints ou
sont expliqués dans le texte.

NOTE − Indique des déclarations pas en relation avec des blessures­personnelles.

2-2. Dangers relatifs au soudage à l’arc

Les symboles présentés ci-après sont utilisés tout au long du
présent manuel pour attirer votre attention et identifier les ris­ques de danger. Lorsque vous voyez un symbole, soyez vigi­lant et suivez les directives mentionnées afin d’éviter tout
danger. Les consignes de sécurité présentées ci-après ne
font que résumer l’information contenue dans les normes de
sécurité énumérées dans le manuel d’utilisation du poste de
soudage. Veuillez lire et respecter toutes ces normes de sé­curité.

L’installation, l’utilisation, l’entretien et les réparations ne
doivent être confiés qu’à des personnes qualifiées.

Au cours de l’utilisation, tenir toute personne à l’écart et plus
particulièrement les enfants.

UN CHOC ÉLECTRIQUE peut tuer.

 Porter toujours des gants secs et isolants.
 S’isoler de la pièce et de la terre.
 Ne jamais toucher une électrode ou des pièces

électriques sous tension.

 Avant d e souder, vérifier que la tête de torche est solidement fixée

au corps de la torche.

 Ne pas attacher ensemble des flexibles de torche à ref-

roidissement par eau et des câbles de puissance avec du ruban
adhésif o u des colliers plastique. Cela empêche le débit d’eau, ce
qui peut causer une surchauffe du câble de puissance et un
éclatement du flexible de la torche.

 Remplacer une torche qui est usée, endomagée ou craquée
 Réparer o u remplacer la torche ou la gaine d’isolement d’un câble

usée, endommagée ou fissurée.

 Mettre l a soudeuse hors tension avant de remplacer un électrode

de tungstène ou des pièces de torche.

 S’assurer que tous les couvercles et poignées sont fermement

assujettis.

 Indique des instructions spécifiques.

Ce groupe de symboles veut dire Avertissement! Attention! DANGER
DE CHOC ELECTRIQUE, PIECES EN MOUVEMENT, et PIECES
CHAUDES. Consulter les symboles et les instructions ci-dessous y
afférant pour les actions nécessaires afin d’éviter le danger.

 Porter des lunettes de sécurité avec écrans latéraux même sous

votre casque.

 Avoir recours à des écrans protecteurs ou à des rideaux pour

protéger les autres contre les rayonnements les éblouissements
et les étincelles ; prévenir toute personne sur les lieux de ne pas
regarder l’arc.

 Porter un équipement de protection pour le corps fait d’un matériau

résistant et ignifuge (cuir, coton robuste, laine). La protection du
corps comporte des vêtements sans huile comme par ex. des
gants de cuir, une chemise solide, des pantalons sans revers, des
chaussures hautes et une casquette.

LES VAPEURS ET LES FUMÉES
peuvent être nocives.

 Éloigner sa tête des endroits renfermant des

vapeurs.

 Aérer la zone de travail ou porter un appareil respiratoire. Pour

déterminer la bonne ventilation, il est recommandé de procéder à
un prélèvement pour la composition et la quantité de fumées et de
gaz auxquels est exposé le personnel.

 Lire et comprendre les fiches de données de sécurité et les

instructions du fabricant concernant les adhésifs, les revête­ments, les nettoyants, les consommables, les produits de ref­roidissement, les dégraisseurs, les flux et les métaux.

L’ACCUMULATION DE VAPEURS
peut causer des lésions ou la mort.

 Après utilisation, fermer l’alimentation de gaz

sous pression.

 Assurer toujours la ventilation des zones fer-

mées ou utiliser un appareil respiratoire avec
alimentation en air.

LE SOUDAGE peut causer un
incendie ou une explosion.

LES RAYONS DE L’ARC peuvent
provoquer des brûlures dans les
yeux et sur la peau.

Le rayonnement de l’arc du procédé de soudag

(ultraviolets et infrarouges) susceptibles de provoquer des brûlure
dans les yeux et sur la peau. Des étincelles sont projetées pendant
soudage.

 Porter un casque de soudage approuvé muni de verres filtrants

approprié pour protéger visage et yeux pendant le soudage
(voir ANSI Z49.1 et Z87.1 énuméré dans les normes de sécurité).

génère des rayons visibles et invisibles intense

 Ne pas souder à proximité de matériaux inflam-

mables.

 Ne pas effectuer le soudage sur des conteneurs fermés tels que

des réservoirs, tambours, ou conduites, à moins qu ils n aient
été préparés correctement conformément à AWS F4.1 et AWS
A6.0 (voir les Normes de Sécurité).

 Prendre garde aux incendies et toujours avoir un extincteur à

proximité.

 Lire et comprendre les fiches de données de sécurité et les

instructions du fabricant concernant les adhésifs, les
revêtements, les nettoyants, les consommables, les produits de
refroidissement, les dégraisseurs, les flux et les métaux.

OM-269 489 Page 3

LES PIÈCES CHAUDES peuvent
provoquer des brûlures.

 Laisser refroidir la torche avant de le toucher.
 Ne pas toucher d’objets métalliques chauds.
 Abriter les objets métalliques contre tout

contact par les personnes à proximité.

 N’utiliser que les pièces de rechange recommandées par le

 Effectuer l’entretien en respectant les manuels d’utilisation,

Le BRUIT peut endommager l’ouie.

 Vérifier si les niveaux de bruit excèdent les li-

mites spécifiées par l’OSHA.

 Utiliser des bouche-oreilles ou des serre-tête

antibruit approuvés si le niveau de bruit est
élevé.

 Avertir les personnes à proximité au sujet du danger inhérent au

bruit.

2-3 . Proposition californienne 65 Avertissements

LIRE LES INSTRUCTIONS.

 Lire et appliquer les instructions sur les

étiquettes et le Mode d’emploi avant
l’installation, l’utilisation ou l’entretien de
l’appareil. Lire les informations de sécurité au
début du manuel et dans chaque section.

constructeur.

les normes industrielles et les codes nationaux, d’état et locaux.

Les équipements de soudage et de coupage produisent des
fumées et des gaz qui contiennent des produits chimiques
dont l’État de Californie reconnaît qu’ils provoquent des
malformations congénitales et, dans certains cas, des
cancers. (Code de santé et de sécurité de Californie, chapitre

25249.5 et suivants)
Ce produit contient des éléments chimiques, dont le plomb,

reconnus par l’État de Californie pour leur caractère cancé-

2-4. Principales normes de sécurité

Safety i n W elding, Cutting, and Allied Processes, ANSI Standard Z49.1,
is available as a free download from the American Welding Society at
http://www.aws.org o r purchased from Global Engineering Documents
(phone: [phone], website: www.global.ihs.com).

Safe Practice For Occupational And Educational Eye And Face Protec­tion, ANSI Standard Z87.1, from American National Standards Institute,

25 West 43rd Street, New York, NY 10036 (phone: [phone], web­site: www.ansi.org).

Safe Practices for the Preparation of Containers and Piping for W elding
and Cutting, American Welding Society Standard AWS F4.1, from Glob-

al Engineering Documents (phone: [phone], website: www.glo­bal.ihs.com).

Safe Practices for Welding and Cutting Containers that have Held Com­bustibles, American Welding Society Standard AWS A6.0, from Global

Engineering Documents (phone: [phone],
website: www.global.ihs.com).

National Electrical Code, NFPA Standard 70, from National Fire Protec­tion Association, Quincy, MA 02269 (phone: [phone], website:
www.nfpa.org and www. sparky .org).

rogène ainsi que provoquant des malformations congéni­tales ou autres problèmes de procréation. Se laver les mains

après tou t e m a n i p u l a t i o n .

Ce produit contient des substances chimiques (dont le
plomb) reconnues par l’État de la Californie comme pouvant
causer le cancer, des anomalies congénitales ou d’autres
préjudices au système reproductif.

Safe Handling of Compressed Gases in Cylinders, CGA Pamphlet P-1,
from Compressed Gas Association, 14501 George Carter Way, Suite
103, Chantilly, VA 20151 (phone: [phone], website:
www.cganet.com).

Safety in Welding, Cutting, and Allied Processes, CSA Standard
W117.2, from Canadian Standards Association, Standards Sales, 5060
Spectrum Way, Suite 100, Ontario, Canada L4W 5NS (phone:
800-463-6727, website: www.csa-international.org).

Safe Practice For Occupational And Educational Eye And Face Protec­tion, ANSI Standard Z87.1, from American National Standards Institute,

25 West 43rd Street, New York, NY 10036 (phone: [phone], web­site: www.ansi.org).

Standard for Fire Prevention During Welding, Cutting, and Other Hot
Work, NFP A Standard 51B, from National Fire Protection Association,

Quincy, M A 0 2 2 6 9 ( p h o n e : 1 - 8 0 0 - 3 4 4 - 3 555, website : w w w.nfpa.org.
OSHA, Occupational Safety and Health Standards for General Indus-

try, Title 29, Code of Federal Regulations (CFR), Part 1910, Subpart Q,
and Part 1926, Subpart J, from U.S. Government Printing Office, Super­intendent of Documents, P.O. Box 371954, Pittsburgh, PA 15250-7954
(phone: [phone]) (there are 10 OSHA Regional Offices—
phone for Region 5, Chicago, is 312-353-2220, website:
www.osha.gov).

OM-269 489 Page 4

2-5. Informations relatives aux CEM

Le courant électrique qui traverse tout conducteur génère des champs
électromagnétiques (CEM) à certains endroits. Le courant issu d’un
soudage à l’arc (et de procédés connexes, y compris le soudage par
points, le gougeage, le découpage plasma et les opérations de
chauffage par induction) crée un champ électromagnétique (CEM)
autour d u circuit de soudage. Les CEM peuvent créer des interférences
avec certains implants médicaux comme des stimulateurs cardiaques.
Des mesures de protection pour les porteurs d’implants médicaux
doivent être prises: Limiter par exemple tout accès aux passants ou
procéder à une évaluation des risques individuels pour les soudeurs.
Tous les soudeurs doivent appliquer les procédures suivantes pour
minimiser l’exposition aux CEM provenant du circuit de soudage:

1 Rassembler les câbles en les torsadant ou en les attachant avec

du ruban adhésif ou avec une housse.

2 Ne pas se tenir au milieu des câbles de soudage. Disposer les

câbles d’un côté et à distance de l’opérateur.

3 Ne pas courber et ne pas entourer les câbles autour de votre

corps.

4 Maintenir la tête et le torse aussi loin que possible du matériel du

circuit de soudage.

5 Connecter la pince sur la pièce aussi près que possible de la

soudure.

6 Ne pas travailler à proximité d’une source de soudage, ni

s’asseoir ou se pencher dessus.

7 Ne pas souder tout en portant la source de soudage ou le

dévidoir.

En ce qui concerne les implants médicaux :

Les porteurs d’implants doivent d’abord consulter leur médecin avant
de s’approcher des opérations de soudage à l’arc, de soudage par
points, de gougeage, du coupage plasma ou de chauf fage par induc­tion. Si l e médecin approuve, il est recommandé de suivre les procédu­res précédentes.

OM-269 489 Page 5

SECTION 3 − SPECIFICATIONS

3-1. Specifications

Model

W-280 (WP-280) W-375

Max Rating* 280 Amps 375 Amps
Hose/Cable Options 12.5 ft (3.8 m) Or 25 ft (7.6 m) Three-Piece Tri Flex

12.5 ft (3.8 m) Or 25 ft (7.6 m) Three-Piece Vinyl

Cooling Method Liquid (Distilled/Deionized Water or Low Conductivity Coolant, Miller Part No. 043 810)
Electrode Range .020 in. Thru 1/8 in. (0.5 Thru 3.2 mm)
Dimensions Length 7 in. (178 mm); Handle Diameter 7/8 in. (22.2 mm); Weight 4.1 oz (1 17 g)
Method Of Guidance Manual/Hand Held
Peak Voltage Rating 113 V
Peak Striking/Stability Voltage 15 KV
Min Flow Rate .25 GPM
Min And Max Inlet Pressure .379 MPa (55 psi) Min; .482 MPa (70 psi) Max
Min Cooling Power 2620 W 2670 W

* Max rating based on 25° C (77° F) environment at maximum handle temperature rise of 30° C (86° F) or power cable temperature rise of 40°
C (104° F). 100% Argon gas, 100% duty cycle, 1/8 in. (3.2 mm) 2% Ceriated electrode and Miller Coolmate 4.

3-2. Duty Cycle

0

Minutes

10

Definition

Duty Cycle is percentage of 10
minutes that torch can weld at
rated load without overheating.

NOTICE − Exceeding rated amperage can damage torch and void warranty (see Section 3-1).

100% Duty Cycle At 280 Amperes Using Argon Gas For W-280 Models
100% Duty Cycle At 375 Amperes Using Argon Gas For W-375 Models

Continuous Welding

sb1.5* 8/93

OM-269 489 Page 7

SECTION 4 − INSTALLATION

4-1. Required Torch Parts And Torch Assembly

Assembling T orch Parts

7

6

5

4

3

2

1

16

8

9

10

12

15

11

1 Cup
2 Collet Body
3 Insulator
4 Back Cap Insulator
5 Collet
6 O-Ring
7 Backcap
8 Torch Body
9 Handle
10 Gas Hose
11 Water Hose
12 Power Cable
13 Power Cable Adapter
14 International Style Adapter
15 Water Hose For International

Style Adapter

Assembling Torch Body

Keep connections tight. Replace
cup, heat shield, and backcap as
needed.

16 Tungsten Electrode (See Sec-

tion 7)

Installing Tungsten

To adjust tungsten position, loosen
backcap.

13

14

4-2. International Style Connector Assembly

1

2

Tools Needed:

3

1 in

(26 mm)

5
4

3

WC0174-B

1 Weld Output Cable
2 Insulating Boot
3 Sleeve
Slide insulating boot onto cable;

strip cable and install sleeve.
4 Connector Body
5 Setscrew
Insert cable with sleeve fully into

connector body, tighten setscrew,
and slide insulating boot over con­nector.

OM-269 489 Page 8

ST-156 496

4-3. Connecting Torch

A. Connecting Torch To A PipeWorx With A PipeWorx Cooler

If applicable, install high-frequency unit.

1

12

! Turn Off welding power source

power before installing torch..

1 Welding Power Source
2 Gas Hose
3 TIG Block (Customer Supplied)
4 Coolant Out Hose 237 416

(Short Red Hose Supplied With
Cooler)

3

4

2

5 TIG (−) Weld Cable
6 Coolant Return Hose
7 Work (+) Weld Cable
8 TIG Torch
9 Foot Control (Optional)
10 Workpiece
11 Work Clamp
Connect work clamp to a clean,

paint-free location on workpiece,
close to the weld.

Use wire brush or sandpaper to clean
weld joint area.

12 Volt Sense Lead

 Attach volt sense lead to work

clamp and attach work clamp as
close to arc as possible.

Tools Needed:

6

5

7

8

11

10

9

11/16 in.

802 560-A

OM-269 489 Page 9

B. Connecting Torch To A Dynasty 280 TIGRunner Unit

Tools Needed:

5/8, 7/8, 1-1/8 in.

10

12

2

1

11

6

8

5

7

9

4

! Turn Off welding power source

power before installing torch.

3

1 Gas Hose With 5/8-18 Right-Hand

Fittings (Customer Supplied)

Connections:

2 Regulator/Flowmeter
3 Gas Cylinder
4 Coolant System
5 Torch
6 Coolant-Into Torch Hose (Blue)
7 Torch Gas Hose
8 Coolant-Out Of Torch/Power

Cable (Red)
9 International Style Adapter
Connect coolant-out of torch/power

cable to power cable adapter, and con­nect adapter to weld output terminal.

10 Work Clamp
Connect work clamp to a clean, paint-

free location on workpiece, close to the
weld.

Use wire brush or sandpaper to clean
weld joint area.

11 Welding Power Source
12 Foot Control

805 504-B

C. Connecting Torch To A Syncrowave 250 DX Or 350 LX TIGRunner Unit

4

3

2

6

9

8

10

7

11

1

5

Tools Needed:

11/16 in.

! Turn Off welding power source

power before installing torch.

1 Gas Hose With 5/8-18 Right-Hand

Fittings (Customer Supplied)

Connections:

2 Gas Cylinder
3 Regulator/Flowmeter
4 Power Source
5 Coolant System
6 Torch
7 Coolant-Into Torch Hose (Blue)
8 Coolant-Out Of Torch/Power

Cable (Red)

Connect torch coolant-out of torch/pow­er cable to power cable adapter, and
connect adapter to weld output terminal.

9 Torch Gas Hose
10 Work Clamp
Connect work clamp to a clean, paint-

free location on workpiece, close to the
weld.

Use wire brush or sandpaper to clean
weld joint area.

11 Foot Control

804 994-C

OM-269 489 Page 10

B. Connecting Torch To A Dynasty 350 TIGRunner

1

11

12

5

6

7

! Turn Off welding power source

power before installing torch..

2

1 Gas Hose With 5/8-18 Right-Hand

Fittings (Customer Supplied)

Connections:

2 Regulator/Flowmeter
3 Gas Cylinder
4 Coolant System

3

5 Electrode Weld Output Terminal
Connect TIG torch to electrode weld

output terminal.
6 Gas Out Connection
Connect TIG torch gas hose to gas out

fitting.
7 Work Weld Output Terminal
8 Work Lead (Clamp)
Connect work lead to work weld output

terminal.
9 Coolant-Into Torch Hose (Blue)
Connect torch coolant-in (blue) hose to

coolant system coolant-out connection.
10 Coolant-Out Of Torch Power

Cable (Red)
Connect torch coolant-out (red) hose to

coolant system coolant-in connection.
11 Welding Power Source
12 Foot Control

10

99

4

8

Tools Needed:

11/16 in.

802 561-B

OM-269 489 Page 11

SECTION 5 − MAINTENANCE & TROUBLESHOOTING

y

5-1. Routine Maintenance

! Disconnect torch before maintaining.

 = Check  = Change  = Clean  = Replace
* To be done by Factory Authorized Service Agent

Daily

 Nozzle For Cracks −  If Necessary

Weekly

Monthl

 Collet For Wear −
 If Necessary

 Power Cable For Cracks,
Wear −  If Necessary

When using a water-cooled torch, maintain cooling equipment according to the manufactures recommendations.

 Collet Body Threads −
 If Necessary

 Gas Hose For

Cracks, Leaks, Wear −

 If Necessary

 Power, Gas, And Water

Cable Connections To En­sure They Are Tight

5-2. Gas And/Or Water Hose Maintenance

1

 Check Tungsten Preparation (See Section ??)

 Gas Lens Screen −
 If Necessary

 Water Hose, If Applic-

able, For Cracks, Leaks,
Wear −  If Necessary

 Cable Cover For
Tears, Holes, Or W ear −

 If Necessary

 Gas Valve, If Applicable −
 If Necessary

 Back Cap O-Ring −
 If Necessary

! Disconnect torch before

maintaining.

1 Gas Hose
2 Water Hose

 Whenever a gas or water hose

is removed from its fitting, it is
required that 1−1/4 in. (32 mm)
of hose be cut off before reat­taching the hose to its fitting.

OM-269 489 Page 12

Cut 1-1/4 in.

Hose Nut

2

Cut 1-1/4 in.

WC0188-B

5-3. Troubleshooting

t

-

-

.

-

 Before using troubleshooting table, check selection and preparation of tungsten electrode according to Section 7.

Trouble Remedy

Arc will not start. High frequency presen
and visible at the torch.

Lack of high frequency; difficulty in es
tablishing arc.

Torch gas valve not working properly (if
applicable).

No shielding gas flow from torch. Be sure valves on gas supply are open.

Tungsten electrode oxidizing and not re
maining bright after conclusion of weld

Check cable and work connections. Be sure weld circuit is complete (see Section 4-3).
Check and be sure shielding gas is present.

Select proper size and type tungsten. Properly prepare tungsten according to Section 7.
Check cables and torch for cracks or bad connections. Be sure that torch cables are not close to any

grounded metal. Repair or replace necessary parts.
Check torch consumables. Be sure collet and collet body are correctly installed and tightened (see Sec-

tion 4-1).
Check welding power source High Frequency control, and if necessary, check and adjust spark gaps.

Have Factory Authorized Service Station/Service Distributor check valve.

Check cable for kinks or blockage.
Check and tighten all gas supply fittings.
Check cables and torch for cracked insulation or bad connections. Repair or replace (see Section 5-1).

Shield weld zone from drafts.
Increase postflow time.
Increase gas flow rate. Check manufacture’s recommendations.
Check and tighten all gas fittings.
Check gas valve and flow meter/regulator.
Select proper size and type tungsten. Properly prepare tungsten (see Section 7).

Excessive tungsten electrode con
sumption.

Wandering arc Shield weld zone from drafts.

Yellow powder or smoke on cup. Use proper type shielding gas.

Erratic arc When using DC, check polarity, and/or polarity of welding cables.

Select proper size and type tungsten. Properly prepare tungsten according to Section 7.
Check polarity setting on welding power source (see welding power source Owner’s manual).
Check for proper gas flow rate. Check manufacture’s recommendations.
If torch is water cooled, check torch and cables for water leaks. Repair or replace if necessary (see Sec-

tion 5-1).

Reduce gas flow rate.
Select proper size and type tungsten. Properly prepare tungsten according to Section 7.
When using AC, check welding power source High Frequency control setting, and increase setting if nec-

essary.

Check for proper gas flow rate. Check manufacture’s recommendations.
Increase postflow time.
Check torch cup size. Match cup size to joint being welded.

When using AC, check welding power source High Frequency control setting, and be sure it is operating
continuously.

Select proper size and type tungsten. Properly prepare tungsten according to Section 7.
Use proper arc length. Arc length may be too long or too short.
Make sure base material is clean and free of contaminates.
When using AC, slow travel speed can cause erratic arc. Adjust travel speed.

OM-269 489 Page 13

Porosity in weld. Check for proper gas flow rate. Check manufacture’s recommendations.

Notes

Trouble Remedy

Check and tighten gas fittings.
Make sure base material and filler material is clean and free of contaminates.
Check for impurities and moisture in gas lines. Purge if necessary.
If torch is water cooled, check torch and cables for water leaks. Repair or replace if necessary (see Sec-

tion 5-1).

OM-269 489 Page 14

SECTION 6 − SELECTING AND PREPARING A TUNGSTEN

6-2. Preparing Tungsten Electrode For DC Electrode Negative (DCEN) Welding

FOR DC OR AC WELDING WITH INVERTER MACHINES

gtaw_Inverter_2013-10

Whenever possible and practical, use DC weld output instead of AC weld output.

6-1. Selecting Tungsten Electrode (Wear Clean Gloves To Prevent Contamination Of Tungsten)

 Not all tungsten electrode manufacturers use the same colors to identify tungsten type. Contact the tungsten electrode manufacturer or reference

the product packaging to identify the tungsten you are using.

Amperage Range - Gas Type♦ - Polarity

Electrode Diameter (DCEN) − Argon

Direct Current Electrode Negative

(For Use With Mild Or Stainless Steel)

2% Ceria, 1.5% Lanthanum, Or 2% Thorium Alloy Tungstens

.010 in. (.25 mm) Up to 25 Up to 20
.020 in. (.50 mm) 15-40 15-35

.040 in. (1 mm) 25-85 20-80
1/16 in. (1.6 mm) 50-160 50-150
3/32 in. (2.4 mm) 130-250 135-235

1/8 in. (3.2 mm) 250-400 225-360

5/32 in. (4.0 mm) 400-500 300-450

3/16 in (4.8 mm) 500-750 400-500

1/4 in. (6.4 mm) 750-1000 600-800

Balance Control @ 65% Electrode Negative

♦Typical argon shielding gas flow rates are 11 to 35 CFH (cubic feet per hour).

Figures listed are a guide and are a composite of recommendations from American Welding Society (AWS) and electrode manufacturers.

AC − Argon

(For Use With Aluminum)

Or AC Welding With Inverter Machines

Grinding the tungsten electrode produces dust and flying sparks which can cause injury and start fires.
Use local exhaust (forced ventilation) at the grinder or wear an approved respirator. Read MSDS for safety
information. Consider using tungsten containing ceria, lanthana, or yttria instead of thoria. Grinding dust
from thoriated electrodes contains low-level radioactive material. Properly dispose of grinder dust in an
environmentally safe way. W ear proper face, hand, and body protection. Keep flammables away.

Radial Grinding

Causes Wandering Arc

Wrong Tungsten

Preparation

2

Ideal Tungsten Preparation − Stable Arc

2-1/2 Times

Electrode Diameter

4

1 Grinding Wheel
Grind end of tungsten on fine grit, hard

3

abrasive wheel before welding. Do not use
wheel for other jobs or tungsten can become
contaminated causing lower weld quality.

1

2 Tungsten Electrode
A 2% ceriated tungsten is recommended.
3 Flat
Diameter of this flat determines amperage

capacity.
4 Straight Ground
Grind lengthwise, not radial.

OM-269 489 Page 15

SECTION 7 − GUIDELINES FOR TIG WELDING (GTAW)

7-1. Positioning The Torch

! Grinding the tungsten electrode

produces dust and flying sparks
which can cause injury and start
fires. Use local exhaust (forced
ventilation) at the grinder or wear
an approved respirator. Read
MSDS for safety information.
Consider using cerium or lantha­num based tungsten instead of
thoriated. Thorium dust contains
low-level radioactive material.
Properly dispose of grinder dust
in an environmentally safe way.
Wear proper face, hand, and
body protection. Keep flam­mables away.

1 Workpiece
Make sure workpiece is clean before

welding.
2 Work Clamp
Place as close to the weld as possible.
3 Torch
4 Filler Rod (If Applicable)
5 Gas Cup
6 Tungsten Electrode
Select and prepare tungsten according

to Section 6.

Guidelines:

The inside diameter of the gas cup
should be at least three times the
tungsten diameter to provide adequate
shielding gas coverage. (For example,
if tungsten is 1/16 in. diameter, gas cup
should be a minimum of 3/16 in.
diameter.

Tungsten extension is the distance the
tungsten extends out gas cup of torch.

The tungsten extension should be no
greater than the inside diameter of the
gas cup.

Arc length is the distance from the
tungsten to the workpiece.

10−25°

2

1

10−15°

4

3/16 in.

Bottom View Of Gas Cup

90°

5

3

4

5

6

6

1/16 in.

OM-269 489 Page 16

Ref. ST-161 892

7-2. Torch Movement During Welding

Tungsten Without Filler Rod

Welding direction

Form pool Tilt torch Move torch to front

Tungsten With Filler Rod

Welding direction

Form pool Tilt torch Add filler metal

Remove rod

75°

75°

15°

Move torch to front

of pool. Repeat process.

7-3. Positioning Torch Tungsten For Various Weld Joints

Butt Weld And Stringer Bead

of pool. Repeat process.

ST-162 002-B

“T” Joint

90°

20-40°

30°

20°

15°

Lap Joint

70°

75°

90°

10°

15°

20°

75°

15°

Corner Joint

75°

ST-162 003 / S-0792

OM-269 489 Page 17

SECTION 8 − PARTS LIST

Quantity

5

16

18

4

3

2

1

5

7

6

17

15

14

13

8

12

11

10

9

25

19

20

21

22

23

24

26

Figure 8-1. Complete Torch Assembly

W-280

Item

No.

Dia.

Mkgs.

Part

No.

Description

301251012 301251025 301251050 3012503012 301250302

Figure 8-1. Complete Torch Assembly

1 ♦57N75 Nozzle, Large Gas Lens Alumina #6 1 1 1 1 1... ............. .. .... .... .... .... ....

1 ♦57N74 Nozzle, Large Gas Lens Alumina #8 1 1 1 1 1... ............. .. .... .... .... .... ....

1 ♦53N88 Nozzle, Large Gas Lens Alumina #10 1 1 1 1 1... ............. .. ... .... .... .... ....

1 ♦53N87 Nozzle, Large Gas Lens Alumina #12 1 1 1 1 1... ............. .. ... .... .... .... ....

2 ♦45V0204S Gas Lens Collet Body, Large .020 &.040... .......... ..

(0.5 &1.0 Mm) 1 1 1 1 1.............................. ....................... .... .... .... ....

2 ♦45V116S Gas Lens Collet Body, Large 1/16 (1.6 mm)1 1 1 1 1... ........... .. .... .... .... ....

2 ♦45V64S Gas Lens Collet Body, Large 3/32 (2.4 mm)1 1 1 1 1... ............ .. .... .... .... ....

2 ♦995795S Gas Lens Collet Body, Large 1/8 (3.2 mm) 1 1 1 1 1... ........... .. .... .... .... ....

3 ♦13N20L Gas Lens Collet, Large .020 (0.5 mm) 1 1 1 1 1... ............ .. ... .... .... .... ....

3 ♦13N21L Gas Lens Collet, Large .040 (1.0 mm) 1 1 1 1 1... ............ .. ... .... .... .... ....

3 ♦13N22L Gas Lens Collet, Large 1/16 (1.6 mm) 1 1 1 1 1... ............ .. ... .... .... .... ....

OM-253 789 Page 18

805 557-A

W-375

Quantity

Item

5

No.

Dia.

Mkgs.

Part

No.

Description

W-280

301251012 301251025 301251050 3012503012 301250302

W-375

Figure 8-1. Complete Torch Assembly (Continued)

3 ♦13N23L Gas Lens Collet, Large 3/32 (2.4 mm) 1 1 1 1 1... ............ .. ... .... .... .... ....

3 ♦13N24L Gas Lens Collet, Large 1/8 (3.2 mm) 1 1 1 1 1... ............ .. .... .... .... .... ....

4 ♦54N63-20 Insulator , Cup Large Diameter 1 1 1 1 1... .......... .. ......... .... .... .... ....

5 ♦13N14 Nozzle, Lava #4 1 1 1 1 1... ............. .. ...................... .... .... .... ....

5 ♦13N15 Nozzle, Lava #5 1 1 1 1 1... ............. .. ...................... .... .... .... ....

5 ♦13N16 Nozzle, Lava #6 1 1 1 1 1... ............. .. ...................... .... .... .... ....

5 ♦13N17 Nozzle, Lava #7 1 1 1 1 1... ............. .. ...................... .... .... .... ....

5 ♦13N18 Nozzle, Lava #8 1 1 1 1 1... ............. .. ...................... .... .... .... ....

5 ♦13N19 Nozzle, Lava #10 1 1 1 1 1... ............. .. ..................... .... .... .... ....

6 ♦796F74 Nozzle, Lava Long #3XL 1 1 1 1 1... ............ .. .............. .... .... .... ....

6 ♦796F75 Nozzle, Lava Long #4XL 1 1 1 1 1... ............ .. .............. .... .... .... ....

6 ♦796F76 Nozzle, Lava Long #5XL 1 1 1 1 1... ............ .. .............. .... .... .... ....

6 ♦796F77 Nozzle, Lava Long #6XL 1 1 1 1 1... ............ .. .............. .... .... .... ....

7 ♦53N58 Nozzle, Small Alumina #4 1 1 1 1 1... ............. .. ............. .... .... .... ....

7 ♦53N59 Nozzle, Small Alumina #5 1 1 1 1 1... ............. .. ............. .... .... .... ....

7 ♦53N60 Nozzle, Small Alumina #6 1 1 1 1 1... ............. .. ............. .... .... .... ....

7 ♦53N61 Nozzle, Small Alumina #7 1 1 1 1 1... ............. .. ............. .... .... .... ....

7 ♦53N61S Nozzle, Small Alumina #8 1 1 1 1 1... ............ .. ............. .... .... .... ....

8 ♦45V41 Gas Lens, Small, .020 (0.5 mm) 1 1 1 1 1... ............. .. ....... .... .... .... ....

8 ♦45V42 Gas Lens, Small, .040 (1.0 mm) 1 1 1 1 1... ............. .. ....... .... .... .... ....

8 ♦45V43 Gas Lens, Small, 1/16 (1.6 mm) 1 1 1 1 1... ............. .. ....... .... .... .... ....

8 ♦45V44 Gas Lens, Small, 3/32 (2.4 mm) 1 1 1 1 1... ............. .. ....... .... .... .... ....

8 ♦45V45 Gas Lens, Small, 1/8 (3.2 mm) 1 1 1 1 1... ............. .. ........ .... .... .... ....

9 ♦796F70 Nozzle, Lava Long #3L 1 1 1 1 1... ............ .. ................ .... .... .... ....

9 ♦796F71 Nozzle, Lava Long #4L 1 1 1 1 1... ............ .. ................ .... .... .... ....

9 ♦796F72 Nozzle, Lava Long #5L 1 1 1 1 1... ............ .. ................ .... .... .... ....

9 ♦796F73 Nozzle, Lava Long #6L 1 1 1 1 1... ............ .. ................ .... .... .... ....

9 ♦A796F70 Nozzle, Alumina Long #3L 1 1 1 1 1... ........... .. ............. .... .... .... ....

9 ♦A796F71 Nozzle, Alumina Long #4L 1 1 1 1 1... ........... .. ............. .... .... .... ....

9 ♦A796F72 Nozzle, Alumina Long #5L 1 1 1 1 1... ........... .. ............. .... .... .... ....

9 ♦796F73 Nozzle, Alumina Long #6L 1 1 1 1 1... ............ .. ............. .... .... .... ....

10 13N11 Nozzle, #7 Alumina 1 1 1 1 1... ............... .. ................... .... .... .... ....

10 ♦13N13 Nozzle, #10 Alumina 1 1 1 1 1... ............. .. .................. .... .... .... ....

10 ♦13N12 Nozzle, #8 Alumina 1 1 1 1 1... ............. .. ................... .... .... .... ....

10 ♦13N10 Nozzle, #6 Alumina 1 1 1 1 1... ............. .. ................... .... .... .... ....

10 ♦13N09 Nozzle, #5 Alumina 1 1 1 1 1... ............. .. ................... .... .... .... ....

10 ♦13N08 Nozzle, #4 Alumina 1 1 1 1 1... ............. .. ................... .... .... .... ....

11 13N28 Collet Body, 3/32 (2.4 mm) 1 1 1 1 1... ............... .. ............ .... .... .... ....

11 ♦13N25 Collet Body, .020 (0.5 mm) 1 1 1 1 1... ............. .. ............ .... .... .... ....

11 ♦13N29 Collet Body, 1/8 (3.2 mm) 1 1 1 1 1... ............. .. .............. .... .... .... ....

11 ♦13N26 Collet Body, .040 (1.0 mm) 1 1 1 1 1... ............. .. ............ .... .... .... ....

11 ♦13N27 Collet Body, 1/16 (1.6 mm) 1 1 1 1 1... ............. .. ............ .... .... .... ....

12 13N23 Collet, 3/32 (2.4 mm) 1 1 1 1 1... ............... .. ................. .... .... .... ....

12 ♦13N20 Collet, .020 (0.5 mm) 1 1 1 1 1... ............. .. ................. .... .... .... ....

12 ♦13N21 Collet, 040 (1.0 mm) 1 1 1 1 1... ............. .. .................. .... .... .... ....

12 ♦13N22 Collet, 1/16 (1.6 mm) 1 1 1 1 1... ............. .. ................. .... .... .... ....

12 ♦13N24 Collet, 1/8 (3.2 mm) 1 1 1 1 1... ............. .. .................. .... .... .... ....

13 598882 Insulator, Cup 1 1 1 1 1... .............. .. ........................ .... .... .... ....

14 301251 Torch Body 280 A 1 1 1... .............. .. .................... .... ....

14 301253 Torch Body 375 A 1 1... .............. .. ........................................ ....

15 9-4 Insulator, Back Cap 1 1 1 1 1... .................. .. ................... .... .... .... ....

16 41V24 Back Cap, Long (Includes) 1 1 1 1 1... ............... .. ............. .... .... .... ....

17 ♦41V35 Back Cap, Medium (Includes) 1 1 1 1 1... ............. .. .......... .... .... .... ....

18 ♦41V33 Back Cap, Button (Includes) 1 1 1 1 1... ............. .. ........... .... .... .... ....

98W77 O-Ring 1 1 1 1 1.................... .... ............................ .... .... .... ....

19 269335 Handle, knurled 1 1 1 1 1... .............. .. ...................... .... .... .... ....

20 20-10N Mechanical Nuts 1 1 1 1 1... .............. .. ..................... .... .... .... ....

OM-253 789 Page 19

Quantity

Item

5

No.

Dia.

Mkgs.

Part

No.

Description

W-280

301251012 301251025 301251050 3012503012 301250302

W-375

Figure 8-1. Complete Torch Assembly (Continued)

21 269766 Hose, Water 14 Ft. (4.2 m), Braided 1 1... .............. .. .... .................

21 269767 Hose, Water 26.5 Ft. (8.0 m), Braided 1 1... .............. .. .......... ..................

21 269769 Hose, Water 51.5 Ft. (15.7 m), Braided 1... .............. .. ...............

22 269770 Hose, Gas 13.25 Ft. (4.0 m), Braided 1 1... .............. .. ... .................

22 269771 Hose, Gas 25.75 Ft. (7.8 m), Braided 1 1... .............. .. .......... ..................

22 269773 Hose, Gas 50.75 Ft. (15.5 m), Braided 1... .............. .. ...............

23 269575 Cable, Power 12.5 Ft. (3.8 m), Braided 1... .............. .. ..

23 269758 Cable, Power 25.0 Ft. (7.6 m), Braided 1... .............. .. .........

23 269759 Cable, Power 50.0 Ft. (15.2 m), Braided 1... .............. .. ..............

23 269764 Cable, Power 12.5 Ft. (3.8 m), Braided 1... .............. .. ......................

23 269765 Cable, Power 25.0 Ft. (7.6 m), Braided 1... .............. .. .............................

24 WC0183 Cable Cover 11Ft. 9 In. (3.6 m) 1 1... ............. .. ......... .................

24 WC0182 Cable Cover 24 Ft. 3 In. (7.4 m) 1 1... ............. .. ............... ..................

24 WC-3-48 Cable Cover, 48 Ft. (14.6 m), Braided 1... ............. .. ................

25 ♦195377 Adapter, torch-Int Style Water (#18, 20)... ............ ..

(Includes) 1 1 1 1 1.............................. ........................... .... .... .... ....

♦222809 Hose, Water 18LH (Intl Style Water.................. ..

(#18, 20) 1 1 1 1 1.............................. ............................ .... .... .... ....

25 ♦195380 Adapter, Torch, Int Style Water (#20) 1 1 1 1 1... ............ .. .... .... .... .... ....

25 ♦225028 Adapter, Torch, Thread Lock Water... ............ ..

(7/8 Lht) Sing Wet 1 1 1 1 1.............................. .................... .... .... .... ....

26 ♦45V11 Adapter, Power Cable 1 1 1 1 1... ............. .. ................. .... .... .... ....

♦AK4C Accessory Kit (Cerium) 1 1 1 1 1.................... .. ................ .... .... .... ....

♦OPTIONAL

BE SURE TO PROVIDE MODEL AND STYLE NUMBER WHEN ORDERING REPLACEMENT PARTS.

OM-253 789 Page 20

Notes

Notes

Warranty Questions?

Call
1-800-4-A-MILLER
for your local
Miller distributor.

Y our distributor also gives
you ...

Service

Y ou always get the fast,
reliable response you
need. Most replacement
parts can be in your
hands in 24 hours.

Support

Need fast answers to the
tough welding questions?
Contact your distributor.
The expertise of the
distributor and Miller is
there to help you, every
step of the way.

Effective January 1, 2014

(Equipment with a serial number preface of ME or newer)

This limited warranty supersedes all previous Miller warranties and is exclusive with no other

LIMITED W ARRANTY − Subject to the terms and conditions below,
Miller Electric Mfg. Co., Appleton, Wisconsin, warrants to its original
retail purchaser that new Miller equipment sold after the effective
date of this limited warranty is free of defects in material and
workmanship at the time it is shipped by Miller . THIS W ARRANTY IS
EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES, EXPRESS
OR IMPLIED, INCLUDING THE WARRANTIES OF
MERCHANTABILITY AND FITNESS.

Within the warranty periods listed below, Miller will repair or replace
any warranted parts or components that fail due to such defects in
material or workmanship. Miller must be notified in writing within
thirty (30) days of such defect or failure, at which time Miller will
provide instructions on the warranty claim procedures to be
followed.

Miller shall honor warranty claims on warranted equipment listed
below in the event of such a failure within the warranty time periods.
All warranty time periods start on the delivery date of the equipment
to the original end-user purchaser, and not to exceed twelve months
after the equipment is shipped to a North American distributor or
eighteen months after the equipment is shipped to an International
distributor.

1. 5 Years Parts — 3 Years Labor
* Original Main Power Rectifiers Only to Include SCRs,

Diodes, and Discrete Rectifier Modules

2. 3 Years — Parts and Labor
* Auto-Darkening Helmet Lenses (Except Classic

Series) (No Labor)

* Engine Driven Welding Generators

(NOTE: Engines are Warranted Separately by the
Engine Manufacturer.)

* Inverter Power Sources (Unless Otherwise Stated)
* Plasma Arc Cutting Power Sources
* Process Controllers
* Semi-Automatic and Automatic Wire Feeders
* Transformer/Rectifier Power Sources

3. 2 Years — Parts and Labor
* Auto-Darkening Helmet Lenses − Classic Series Only

(No Labor)

* Fume Extractors − Capture 5, Filtair 400 and Industrial

Collector Series

4. 1 Year — Parts and Labor Unless Specified
* Automatic Motion Devices
* CoolBelt and CoolBand Blower Unit (No Labor)
* External Monitoring Equipment and Sensors

* Field Options

(NOTE: Field options are covered for the remaining
warranty period of the product they are installed in, or

for a minimum of one year — whichever is greater.)
* RFCS Foot Controls (Except RFCS-RJ45)
* Fume Extractors − Filtair 130, MWX and SWX Series
* HF Units
* ICE/XT Plasma Cutting Torches (No Labor)
* Induction Heating Power Sources, Coolers

(NOTE: Digital Recorders are Warranted Separately

by the Manufacturer.)

* LiveArc Welding Performance Management System
* Load Banks
* Motor Driven Guns (except Spoolmate Spoolguns)
* PAPR Blower Unit (No Labor)
* Positioners and Controllers
* Racks
* Running Gear/Trailers
* Spot Welders
* Subarc Wire Drive Assemblies
* Water Coolant Systems
* TIG Torches (No Labor)
* Wireless Remote Foot/Hand Controls and Receivers
* Work Stations/Weld Tables (No Labor)

guarantees or warranties expressed or implied.

5. 6 Months — Parts
* Batteries
* Bernard Guns (No Labor)
* Tregaskiss Guns (No Labor)

6. 90 Days — Parts
* Accessory (Kits)
* Canvas Covers
* Induction Heating Coils and Blankets, Cables, and

Non-Electronic Controls
* M-Guns
* MIG Guns and Subarc (SAW) Guns
* Remote Controls and RFCS-RJ45
* Replacement Parts (No labor)
* Roughneck Guns
* Spoolmate Spoolguns

Miller’s True Blue® Limited Warranty shall not apply to:

1. Consumable components; such as contact tips,

cutting nozzles, contactors, brushes, relays, work
station table tops and welding curtains, or parts that
fail due to normal wear. (Exception: brushes and
relays are covered on all engine-driven products.)

2. Items furnished by Miller, but manufactured by others,
such as engines or trade accessories. These items are
covered by the manufacturer’s warranty, if any.

3. Equipment that has been modified by any party other than
Miller, or equipment that has been improperly installed,
improperly operated or misused based upon industry
standards, or equipment which has not had reasonable
and necessary maintenance, or equipment which has
been used for operation outside of the specifications for
the equipment.

MILLER PRODUCTS ARE INTENDED FOR PURCHASE AND
USE BY COMMERCIAL/INDUSTRIAL USERS AND PERSONS
TRAINED AND EXPERIENCED IN THE USE AND
MAINTENANCE OF WELDING EQUIPMENT.

In the event of a warranty claim covered by this warranty, the
exclusive remedies shall be, at Miller’s option: (1) repair; or (2)
replacement; or, where authorized in writing by Miller in appropriate
cases, (3) the reasonable cost of repair or replacement at an
authorized Miller service station; or (4) payment of or credit for the
purchase price (less reasonable depreciation based upon actual
use) upon return of the goods at customer’s risk and expense.
Miller’s option of repair or replacement will be F.O.B., Factory at
Appleton, Wisconsin, or F.O.B. at a Miller authorized service facility
as determined by Miller. Therefore no compensation or
reimbursement for transportation costs of any kind will be allowed.

TO THE EXTENT PERMITTED BY LAW, THE REMEDIES
PROVIDED HEREIN ARE THE SOLE AND EXCLUSIVE
REMEDIES. IN NO EVENT SHALL MILLER BE LIABLE FOR
DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR
CONSEQUENTIAL DAMAGES (INCLUDING LOSS OF PROFIT),
WHETHER BASED ON CONTRACT, TORT OR ANY OTHER
LEGAL THEORY.

ANY EXPRESS WARRANTY NOT PROVIDED HEREIN AND ANY
IMPLIED WARRANTY, GUARANTY OR REPRESENTATION AS
TO PERFORMANCE, AND ANY REMEDY FOR BREACH OF
CONTRACT TORT OR ANY OTHER LEGAL THEORY WHICH,
BUT FOR THIS PROVISION, MIGHT ARISE BY IMPLICATION,
OPERATION OF LAW, CUSTOM OF TRADE OR COURSE OF
DEALING, INCLUDING ANY IMPLIED WARRANTY OF
MERCHANTABILITY OR FITNESS FOR PARTICULAR
PURPOSE, WITH RESPECT TO ANY AND ALL EQUIPMENT
FURNISHED BY MILLER IS EXCLUDED AND DISCLAIMED BY
MILLER.

Some states in the U.S.A. do not allow limitations of how long an
implied warranty lasts, or the exclusion of incidental, indirect,
special or consequential damages, so the above limitation or
exclusion may not apply to you. This warranty provides specific
legal rights, and other rights may be available, but may vary from
state to state.

In Canada, legislation in some provinces provides for certain
additional warranties or remedi es o th er th a n a s s ta t ed he r ei n, and to
the extent that they may not be waived, the limitations and
exclusions set out above may not apply. This Limited Warranty
provides specific legal rights, and other rights may be available, but
may vary from province to province.

miller_warr 2014-04-14

Owner’s Record

Please complete and retain with your personal records.

Model Name Serial/Style Number

Purchase Date (Date which equipment was delivered to original customer.)

Distributor

Address

City

State Zip

For Service

Contact a DISTRIBUTOR or SERVICE AGENCY near you.

Always provide Model Name and Serial/Style Number.

Contact your Distributor for:

Welding Supplies and Consumables
Options and Accessories
Personal Safety Equipment
Service and Repair
Replacement Parts
Training (Schools, Videos, Books)
Technical Manuals (Servicing Information

and Parts)
Circuit Diagrams
Welding Process Handbooks

To locate a Distributor or Service Agency visit
www.millerwelds.com or call 1-800-4-A-Miller

Miller Electric Mfg. Co.

An Ill inoi s Tool Works Company
1635 West Spencer Street
Appleton, WI 54914 USA

International Headquarters− USA

USA Phone: [phone] Auto-Att ended
USA & Canada FAX: [phone]
International FAX: [phone]

For International Locat ions Visit

www.MillerWelds.com

Contact the Delivering Carrier to:

ORIGINAL INSTRUCTIONS − PRINTED IN USA © 2014 Miller Electric Mfg. Co. 2014−01

File a claim for loss or damage during
shipment.

For assistance in filing or settling claims, contact
your distributor and/or equipment manufacturer’s
Transportation Department.